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Vulnerability record · CVE-2018-20063 · published 25 February 2019

CVE-2018-20063: Gurock testrail unrestricted file upload vulnerability

Gurock · Testrail

An issue was discovered in Gurock TestRail 5.6.0.3853. An "Unrestricted Upload of File" vulnerability exists in the image-upload form (available in the description editor), allowing remote authenticated users to execute arbitrary code by uploading an image file with an executable extension but a safe Content-Type value, and then accessing it via a direct request to the file in the file-upload directory (if it's accessible according to the server configuration).

8.8 CVSS 3.0 High EPSS 2.7% · top 14.6% CWE-434 · Unrestricted file upload
8.8CVSS 3.0 base score, v2 6.5
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Gurock TestRail 5.6.0.3853. An "Unrestricted Upload of File" vulnerability exists in the image-upload form (available in the description editor), allowing remote authenticated users to execute arbitrary code by uploading an image file with an executable extension but a safe Content-Type value, and then accessing it via a direct request to the file in the file-upload directory (if it's accessible according to the server configuration).

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://medium.com/%40vrico315/unrestricted-upload-of-file-with-dangerous-type-in-gurocks-testrail-11d9f4d13688
https://medium.com/%40vrico315/unrestricted-upload-of-file-with-dangerous-type-in-gurocks-testrail-11d9f4d13688

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2021-40875Gurock TestRail improper access control exposes file list and secretsTestRail versions before 7.2.0.3014 allow unauthenticated access to the /files.md5 file, which lists application files and their paths. Those paths c…EPSS 48%analysed5.4CVE-2021-36538Gurock testrail cross-site scripting vulnerabilityCross Site Scripting (XSS) vulnerability in Gurock TestRail before 7.1.2 allows remote authenticated attackers to run arbitrary code via the referenc…EPSS 0.55%5.4CVE-2021-44263Gurock testrail cross-site scripting vulnerabilityGurock TestRail before 7.2.4 mishandles HTML escaping.EPSS 0.59%5.4CVE-2021-37788Gurock testrail clickjacking vulnerabilityA vulnerability in the web UI of Gurock TestRail v5.3.0.3603 could allow an unauthenticated, remote attacker to affect the integrity of a device via …EPSS 1.5%5.3CVE-2019-7535Gurock testrail information exposure vulnerabilityindex.php in Gurock TestRail 5.3.0.3603 returns potentially sensitive information for an invalid request, as demonstrated by full path disclosure and…EPSS 1.1%4.3CVE-2014-4857Gurock testrail cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in Gurock TestRail before 3.1.3 allows remote attackers to inject arbitrary web script or HTML via the Creat…EPSS 1.7%10.0CVE-2026-56291Balbooa Forms Joomla extension unauthenticated arbitrary file upload RCEThe Balbooa Forms extension for Joomla before version 2.4.1 accepts file uploads without authentication and does not restrict file type, allowing exe…KEVEPSS 15%analysed10.0CVE-2026-48939iCagenda Joomla extension unrestricted file upload leads to PHP RCEThe iCagenda extension for Joomla fails to restrict file types in its file attachment feature, allowing arbitrary file uploads that result in PHP cod…KEVEPSS 20%analysed

Source: NIST National Vulnerability Database (record CVE-2018-20063), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.